I guess as mission targets, but I fail to see their significance other than sharing names with really bad hollywood movies. They are shepard moons if I recall, and would be very hazardous to get to both because of their proximity to Saturn and its ring system.

Sorry JamesG ..I possibly confuse with my terminology...I mean if you have a planet orbiting sun with moon..moon also orbits around its planet...in certain moment it is lined with your space ship movement that it makes the pod easy to land with..as you can leave the main ship orbiting this smaller moon. Rotation may be useful too...or harmful.